Sock with pattern of squares



FIG. 1 is a right side elevation view of an ornamental design for a sock with pattern of squares;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top perspective view thereof;

FIG. 5 is a bottom perspective view thereof; and,

FIG. 6 is a rear perspective view thereof.

The broken line showing of a sock in FIGS. 1-6 is for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a sock with pattern of squares, as shown and described. 